🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.5 AU - 0.8 AU

Year: 344 Days

Day: 27.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 8.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.54 AU - 0.84 AU

Year: 376 Days

Day: 14.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 16,363,424 km

• M1: 109,506 km (0.11 R)
• M2: 421,417 km (0.104 R)
• M3: 1,377,946 km (0.115 R)
• M4: 2,282,564 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 12.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 11.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,363,424 km

• M1: 160,369 km (0.072 R)
• M2: 649,554 km (0.027 R)
• M3: 1,071,420 km (0.09 R)
• M4: 1,519,017 km (0.111 R)
• M5: 2,100,653 km (0.04 R)
• M6: 2,808,999 km (0.108 R)
• M7: 3,468,277 km (0.084 R)
• M8: 3,919,015 km (0.034 R)
• M9: 4,541,193 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.4

Radius: 11.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.76 AU - 0.9 AU

Year: 496 Days

Day: 6.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,363,424 km

• M1: 140,472 km (0.12 R)
• M2: 498,011 km (0.101 R)
• M3: 1,006,345 km (0.096 R)
• M4: 1,427,313 km (0.103 R)
• M5: 2,101,850 km (0.086 R)
• M6: 2,557,824 km (0.043 R)
• M7: 3,000,784 km (0.049 R)
• M8: 3,421,004 km (0.119 R)
• M9: 3,907,197 km (0.105 R)
• M10: 5,228,894 km (0.05 R)
• M11: 5,805,594 km (0.081 R)
• M12: 6,386,931 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 11.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.32 AU - 1.44 AU

Year: 1063 Days

Day: 11 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,363,424 km

• M1: 141,819 km (0.055 R)
• M2: 552,016 km (0.116 R)
• M3: 993,629 km (0.105 R)
• M4: 2,082,851 km (0.084 R)
• M5: 2,462,531 km (0.034 R)
• M6: 3,050,899 km (0.11 R)
• M7: 3,941,006 km (0.082 R)
• M8: 4,767,684 km (0.056 R)
• M9: 5,476,180 km (0.09 R)
• M10: 6,980,536 km (0.112 R)
• M11: 7,841,920 km (0.114 R)
• M12: 8,353,246 km (0.066 R)
• M13: 9,264,895 km (0.061 R)
• M14: 10,147,074 km (0.108 R)
• M15: 10,787,652 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 14.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.7 AU - 2.1 AU

Year: 1718 Days

Day: 15 Hours

Environment

Temp: -191 °C

Axial Tilt: 51.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,363,424 km

• M1: 186,249 km (0.094 R)
• M2: 770,279 km (0.095 R)
• M3: 2,285,407 km (0.109 R)
• M4: 2,871,830 km (0.063 R)
• M5: 3,540,982 km (0.11 R)
• M6: 4,195,921 km (0.103 R)
• M7: 5,061,345 km (0.036 R)
• M8: 5,822,499 km (0.1 R)
• M9: 6,527,105 km (0.045 R)
• M10: 7,288,109 km (0.084 R)
• M11: 13,801,152 km (0.083 R)
• M12: 14,918,348 km (0.112 R)
• M13: 16,484,489 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 13

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.96 AU - 3.22 AU

Year: 2734 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,363,424 km

• M1: 161,715 km (0.11 R)
• M2: 637,736 km (0.075 R)
• M3: 1,409,661 km (0.114 R)
• M4: 1,944,324 km (0.114 R)
• M5: 2,484,970 km (0.086 R)
• M6: 3,703,594 km (0.117 R)
• M7: 4,311,261 km (0.095 R)
• M8: 4,715,923 km (0.079 R)
• M9: 5,287,537 km (0.113 R)
• M10: 7,108,592 km (0.102 R)
• M11: 8,903,168 km (0.112 R)
• M12: 9,635,150 km (0.075 R)
• M13: 10,294,129 km (0.077 R)
• M14: 10,827,445 km (0.115 R)
• M15: 11,990,718 km (0.103 R)
• M16: 12,624,265 km (0.095 R)
• M17: 15,681,148 km (0.079 R)
• M18: 18,248,397 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 12.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.86 AU - 3.9 AU

Year: 4076 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,363,424 km

• M1: 154,235 km (0.077 R)
• M2: 545,434 km (0.044 R)
• M3: 1,544,448 km (0.119 R)
• M4: 1,958,087 km (0.061 R)
• M5: 2,895,317 km (0.114 R)
• M6: 3,980,051 km (0.113 R)
• M7: 4,688,397 km (0.116 R)
• M8: 7,699,354 km (0.045 R)
• M9: 9,489,591 km (0.108 R)
• M10: 11,931,328 km (0.108 R)
• M11: 13,446,156 km (0.113 R)
• M12: 13,876,848 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 15,439 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit